---
title: "QL Column: Tips"
type: "article"
slug: "ql-column-tips"
url: "http://localhost/article/ql-column-tips/"
markdown_url: "http://localhost/article/ql-column-tips.md"
published_at: "2026-03-13T13:24:09+00:00"
modified_at: "2026-03-13T13:24:10+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "A collection of practical SuperBASIC tips for the Sinclair QL covering TV/monitor mode switching POKEs, CAPS LOCK POKEs, screen freeze shortcut, SGN function definition, LEFT$/MID$/RIGHT$ string equivalents, QLDRAW 1.4 window sizing, ENTER key detection, and Fahrenheit/Celsius conversion functions. Also includes a CLOSE #0 warning."
category:
  - name: "The RAMTOP"
    slug: "the-ramtop"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/the-ramtop/"
post_tag:
  - name: "QL"
    slug: "ql"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ql/"
  - name: "Superbasic (programming language)"
    slug: "superbasic-programming-language"
    taxonomy: "post_tag"
    url: "http://localhost/tag/superbasic-programming-language/"
model:
  - name: "Sinclair QL"
    slug: "sinclair-ql"
    taxonomy: "model"
    url: "http://localhost/model/sinclair-ql/"
indiv:
  - name: "Gabe Schaffer"
    slug: "gabe-schaffer"
    taxonomy: "indiv"
    url: "http://localhost/indiv/gabe-schaffer/"
publication_r:
  id: 39272
  title: "The RAMTOP"
  type: "periodical"
  url: "http://localhost/periodical/the-ramtop/"
authors_r:
  - name: "Gabe Schaffer"
    slug: "gabe-schaffer"
    taxonomy: "indiv"
    url: "http://localhost/indiv/gabe-schaffer/"
issues_articles:
  - id: 50266
    title: "The RAMTOP Mar 1987"
    type: "issue"
    url: "http://localhost/issue/the-ramtop-mar-1987/"
pages: "2"
pubdate: "Mar 1987"
archive_link: false
---

# QL Column: Tips

A collection of practical SuperBASIC tips for the Sinclair QL covering TV/monitor mode switching POKEs, CAPS LOCK POKEs, screen freeze shortcut, SGN function definition, LEFT$/MID$/RIGHT$ string equivalents, QLDRAW 1.4 window sizing, ENTER key detection, and Fahrenheit/Celsius conversion functions. Also includes a CLOSE #0 warning.